TMC Catalyst (IMAGE) Nagoya University Caption Tetramethylammonium methyl carbonate (TMC) reacts in-situ with an alcohol to form an alkoxide ion, which then attacks the starting ester to give the complex target ester in high yields. Credit Manabu Hatano & Kazuaki Ishihara Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.